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. Author manuscript; available in PMC: 2015 Sep 12.
Published in final edited form as: Nature. 2014 Dec 10;519(7542):219–222. doi: 10.1038/nature13996

Extended Data Figure 6. Robustness of gene age analysis.

Extended Data Figure 6

a, Same format as Figure 4a but with the definition of old genes as those present in at least 25% of the examined Eukaryotes (see Methods) that are not Ophisthokonts. b, Same as Figure 4a with a definition of “old” as those present in 25% of the examined organisms that are not Eukaryotes (Eubacteria and Archaea).